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STRSEP
Section: Linux Programmer's Manual (3)
Updated: 2007-07-26
Index
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NAME
strsep - extract token from string
SYNOPSIS
#include <string.h>
char *strsep(char **stringp, const char *delim);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
strsep():
_BSD_SOURCE
DESCRIPTION
If *stringp is NULL, the
strsep()
function returns NULL
and does nothing else.
Otherwise, this function finds the first token
in the string *stringp, where tokens
are delimited by symbols in the string delim.
This token is terminated with a aq\0aq character
(by overwriting the delimiter)
and *stringp is updated to point past the token.
In case no delimiter was found, the token is taken to be
the entire string *stringp, and *stringp is made NULL.
RETURN VALUE
The
strsep()
function returns a pointer to the token,
that is, it returns the original value of *stringp.
CONFORMING TO
4.4BSD.
NOTES
The
strsep()
function was introduced as a replacement for
strtok(3),
since the latter cannot handle empty fields.
However,
strtok(3)
conforms to C89/C99 and hence is more portable.
BUGS
This function suffers from the same problems as
strtok(3).
In particular, it modifies the original string.
Avoid it.
SEE ALSO
index(3),
memchr(3),
rindex(3),
strchr(3),
strpbrk(3),
strspn(3),
strstr(3),
strtok(3)
COLOPHON
This page is part of release 3.05 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- CONFORMING TO
-
- NOTES
-
- BUGS
-
- SEE ALSO
-
- COLOPHON
-
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